ProCalcs Blog

"You don't know what you don't know." Here we talk about topics and common issues relating to HVAC design and your home. For understanding the "why's" and "how's," ProCalcs Blog is here to help.

Is My HVAC Quote Fair? 5 Ways to Know Before You Sign

By Marie Solpico / January 28, 2026

You’re standing in your kitchen, AC on the fritz, staring at an HVAC quote that makes your stomach drop. The technician seemed confident. The number on the invoice? Not so much. If you’ve ever wondered whether you’re about to get a fair deal or taken for a ride, you’re not alone. HVAC repair costs are…

Oversized HVAC System? 3 Red Flags You Shouldn’t Ignore

By Marie Solpico / January 14, 2026

Bottom line: Over 60% of residential HVAC systems are incorrectly sized according to DOE data, with studies showing 70-90% have installation faults that compromise performance. Oversizing wastes 20-30% more energy, cuts equipment lifespan in half, and leaves homes humid and uncomfortable—especially in climates like Florida. 3 Signs of an Oversized HVAC System Red Flag #1:…

Why Your HVAC Contractor’s Load Calc Might Be Wrong

By Marie Solpico / December 5, 2025

When builders and contractors search for an “HVAC load calculation near me“, what they really want is peace of mind. A perfectly sized system. Code-compliant designs. Fewer callbacks. But too often, the load calculations they receive are way off base. It is not always because someone meant to cut corners. Sometimes it comes down to…

The Most Energy-Efficient HVAC System For Maximum Savings

By Marie Solpico / November 20, 2025

Reducing energy costs without sacrificing comfort is a priority for many homeowners and contractors. Choosing the most energy-efficient HVAC system can significantly lower energy waste while keeping indoor temperatures stable, resulting in long-term savings. A well-planned system allows a building to work with its climate rather than against it. Understanding how equipment, duct sizing, and…

How HVAC Zoning Systems Work And Why They Matter

By Marie Solpico / November 16, 2025

Many homes and commercial buildings struggle with uneven temperatures that lead to frustration and wasted energy. HVAC zoning helps solve these problems by managing heating and cooling in separate areas instead of treating the entire building as one uniform space. Using HVAC zoning in the right way improves comfort, supports better airflow patterns, and reduces…

How HVAC System Balancing Improves Airflow And Comfort

By Marie Solpico / November 11, 2025

Uneven temperatures, weak airflow, and uncomfortable rooms are common challenges in many buildings. Achieving proper HVAC balance addresses these issues by precisely adjusting airflow throughout the system. The approach targets pressure control, improves distribution, and ensures every room receives the right amount of conditioned air. When a system is correctly balanced, comfort becomes steady and…

7 HVAC Tips For Troubleshooting Common Issues

By Marie Solpico / November 7, 2025

A large number of HVAC issues trace back to simple problems that can be caught early with basic checks. These small steps help people avoid stress and cut down on unnecessary service calls. Having a clear grasp of HVAC rules of thumb also helps identify early trouble and keeps minor issues from turning into major…

7 Warehouse HVAC Design Tips For Better Airflow And Energy Savings

By Marie Solpico / November 3, 2025

Large commercial and industrial buildings require a thoughtful approach to warehouse HVAC design. Unlike homes or small offices, warehouses have vast open areas, high ceilings, and diverse usage zones. These unique conditions demand careful planning to achieve consistent airflow and minimize energy waste. Effective HVAC design influences not just temperature control but also humidity levels,…

Geothermal HVAC Design: What Works Best For Your Property

By Marie Solpico / November 1, 2025

Choosing an efficient and sustainable heating and cooling solution starts with knowing about geothermal HVAC design. This system draws energy from the stable temperature of the earth to regulate indoor climates throughout the year. Rather than relying on traditional fuel sources or fluctuating outdoor air temperatures, geothermal systems use underground loops to move heat into…

Step-By-Step Guide To HVAC Static Pressure Calculation

By Marie Solpico / October 28, 2025

Thorough knowledge of HVAC static pressure is needed for anyone involved in the design, installation, or maintenance of heating and cooling systems. Static pressure determines how efficiently air moves through ductwork and how well the equipment performs under real-world conditions. When the balance is right, the system operates quietly, maintains consistent comfort, and saves energy.…